nack_message
nack_message(reqp, MSG_ABORT);
nack_message(reqp, MSG_MESSAGE_REJECT);
nack_message(reqp, MSG_MESSAGE_REJECT);
static void nack_message(SC_REQ *, uint8_t);
nack_message(reqp, MSG_ABORT);
nack_message(reqp, MSG_MESSAGE_REJECT);
nack_message(reqp, MSG_MESSAGE_REJECT);
static void nack_message(SC_REQ *, u_char);